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Short Paper | Regular issue | Vol 91, No. 4, 2015, pp.835-848
Published online, 24th February, 2015
DOI: 10.3987/COM-15-13166
Convenient Synthesis of Novel Phenylpyrimido[1,2-c]thienopyrimidinones as IL-6/STAT3 Inhibitors

Jae Hoo Park, So Young Hong, Jungah Kim, Hyuck Joo Lee, Hyun Ho Lee, Ka Young Kim, Seung Woong Lee, Hyun-Mee Oh, Mun-Chul Rho, Beom-Gyu Lee, and Yang-Heon Song*

*Department of Chemistry, Mokwon University, Daejeon, Doan-dong 800, 302-729, Korea


New phenylpyrimido[1,2-c]thienopyrimidinones 4A and 4B were easily prepared in good yields by the one-pot reaction of formamidine derivatives 2 of 4-aminothienopyrimidine 1 with phenylacetyl chlorides. The application of this convenient and reliable method could be used for the synthesis of a variety of pyrimido[1,2-c]thienopyrimidinone derivatives of biological importance. Some of the compounds synthesized showed strong IL-6/STAT3 inhibition.